.png)
Database Administrator (DBA)
Database Administrator (DBA) is an IT professional responsible for managing, maintaining, and securing an organization's databases to ensure data is reliable, efficient, and accessible to authorized users
Quiz Questions
Q55: What is the main disadvantage of database sharding?
Improves scalability
Increases latency
Simplifies design
Reduces cost
Enhances security
Q56: Which SQL command is used to retrieve data from a database?
SELECT
INSERT
DELETE
UPDATE
ALTER
Q57: In Oracle, which process writes modified blocks from buffer cache to data files?
SMON
DBWR
LGWR
CKPT
PMON
Latest News
Administration and Finance Officer at At HOPE.
Feb 17, 2026
MEAL Officer at AVSI is in Rwanda to strengthen the.
Feb 17, 2026
